https://opencellid.org/
OpenCelliD - Largest Open Database of Cell Towers & Geolocation - by Unwired Labs
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https://www.antennasearch.com/
AntennaSearch - Search for Cell Towers & Antennas
Search for the locations of cell towers and antennas to determine cell reception.
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https://daringfireball.net/2007/06/cell_tower_positioning
Daring Fireball: iPhone: Using Cell Towers for Positioning?
Even without GPS, software on the iPhone might be able to determine a general current location based on the nearest cellular phone network tower.
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https://stopsmartmetersbc.com/
Coalition to Stop Smart Meters in BC | Smart Meters, Cell Towers, Smart Phones, 5G and all things...
Smart Meters, Cell Towers, Smart Phones, 5G and all things that radiate RF Radiation
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